The sound source of the drum synth was mainly a mix between a triangle oscillator and a transistor based noise generator. A custom mode can switch all oscillators from the typical Simmons shape to a Sine shape that can be used if you would need less harmonics YouД¬an also switch to a clean mode which will behave like an ideal system without OPAMP bandwidth limitation (more highs). The special tone character of the drum synth is mainly caused by the raw analog waveform generation and by the circuitry itself, it generates harmonics thatДЄre normally not present in an ideal triangle waveform, VSDSX emulates that behavior and also models the analog clipping that occurs when pushed hard. Using it for layering with VPROM can produce a nasty funky sound which combines analog and early digital!Д¬oming as a bonus with your VSDSX 2.0 package, a perfectly recreated ClapTrap plugin with additional stereo capability

Parameters automation and modulation can turn this thing into a crazy an creative sound source VSDSX provides a huge synthetic drum sound by itself and can also be used with great efficiency in drum layering. Although it is integrated inside VSDSX a dedicated plugin with stereo widening and chromatic (per note) trigger capabilty is provided as a bonus. VSDSX is now on version 2 and features among other cool things a perfectly emulated Simmons Digital ClapTrap module, a clap synth which combines a variable sample rate digital source combined with pitched analog noise, an original feature of the unit was to never produce the same sound twice. Offering multi output capability for your DAW, VSDSX will give you that legendary powerful analog punch! On top of the cake, one voice can load your own external EPROM image data (digital sample) like on a real SDS1 (EPROM based) pad.offering a whole new range of sounds.

It also emulates how the module will react if triggered with pads or sequencer.MIDI velocity will change the synthesized sound drastically whether you use real drums trigger detection or piano roll style composition. Over internal control voltages, trigger shapes, and VCA response. It models the SSM2044 filters offering fine tuning control VSDSX, which stands for Virtual Simmons Drum System Extended, provides the closest experience to the real thing, for each voice or as it was called (module) it modelsДЄccurately the analog sound generation, internal circuitry tuning, trigger velocity sensitivity and all the details you can find explained inside the dedicated manual.ДЇor its hybrid voices (HIHAT, CYMBAL, PROM & CLAP are a mix of analog/digital) clocks and counters reading EPROM memory at variable sample rate are perfectly emulated in realtime. I had to make VSDSX, a perfect recreation with tons of added new features! this is dedicated to Dave Simmons. Only around 5000 of these drum brains where produced so don't count on finding a working one easily and for cheap.ДЄs there were no accurate VST for this legend out there. The SDSV is a historical analog gear that has a place in the sound of the 80s and is still used today as secret weapon, drum layering or central part for genre defined music. Often used in a lazy way to generate disco-esque peThe SDSV successor called SDS7 added digital lo-fi samples and additional features such as bend direction or FM modulation as means for broader range of possible sounds. Invented by Dave Simmons, the most famous drum brain was called SDSV or SDS5, a drum synthesizer, bringing synthesis into the drummer's hands at the same time as defining the sound of a generation. The sound was not especially realistic but it got a sound of is own, huge and versatile. , used by artists and bands like Genesis, King Crimson, Jean Michel Jarre, Prince, Herbie Hancock, Pink Floyd etc. The Simmons hexagonal shaped Electronic drums were all over the place on countless records and live shows during the 80s wondering what was used to produce that huge drum sound? You probably already heard a Simmons drum synth without even knowing it.

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